tscomputer.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 18 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.248 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by tscomputer-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.195.185.248 | 300s | — | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:188:6004:1010::24 | 300s | — | AS31027 | GlobalConnect A/S | 2a02:188:0:0:0:0:0:0/30 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| abuseipdb-verification=Dz4f59qh |
| google-site-verification=omViFvbjA2uZZ-p4qlwF4QHAnPhL55m_xdmusY0vJb0 |
| have-i-been-pwned-verification=e9ebcb7ec33c52aa0b3e63059c2e3772 |
| v=spf1 include:spf.protection.outlook.com include:_spf.hostonline.dk ip4:85.191.126.82 -all |
| Policy | Record (tscomputer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.hostonline.dk ip4:85.191.126.82 -all |
| Policy | Record (_dmarc.tscomputer.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; fo=0; ri=3600; rua=mailto:f1ee7893@inbox.ondmarc.com,mailto:dmarc@tscomputer.dk; ruf=mailto:f1ee7893@inbox.ondmarc.com,mailto:dmarc@tscomputer.dk; adkim=r; aspf=r |
| www CNAME | tscomputer.dk (all on tscomputer.dk) |
| www vs bare domain | Same network tscomputer.dk: 217.195.185.248 2a02:188:6004:1010::24 (AS31027) www.tscomputer.dk: 217.195.185.248 2a02:188:6004:1010::24 (AS31027) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| s1 | s1.domainkey.u14141677.wl178.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u14141677.wl178.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-tscomputer-dk._domainkey.tscomputer01.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-tscomputer-dk._domainkey.tscomputer01.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081002 |
| Primary NS (MNAME) | ns4.hostonline.dk |
| Responsible (RNAME) | hostmaster@hostonline.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419000s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | TS COMPUTER ApS |
| Registered | 2000-08-18 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 01:44:54 | 4082ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 20:52:20 | 3351ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 17:12:20 | 2240ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:53:48 | 1241ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:39:57 | 1002ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 02:01:35 | 1252ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:44:40 | 1499ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 19:41:43 | 2361ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 18:45:54 | 1396ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 22:14:58 | 3191ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 14:15:42 | 3893ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:29:16 | 2918ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 09:16:52 | 1060ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 16:30:56 | 8182ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 14:20:20 | 1553ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 07:00:12 | 2270ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 20:16:22 shown | 3512ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 07:22:37 | 2589ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 07:45:30 | 1938ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 07:02:36 | 2171ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 11:49:27 | 3200ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 11:08:52 | 2625ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 14:00:49 | 1752ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 17:36:46 | 1235ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 12:00:54 | 1345ms | 3 NS 1 A 1 MX | 🔒 Secure |